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Content for  TS 23.286  Word version:  18.4.0

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10 VAE layer APIs  10.1 General  10.2 VAE server APIs  10.2.1 General  10.2.2 VAE_MessageDelivery API  10.2.2.1 General  10.2.2.2 Deliver_DL_Message operation  10.2.2.3 Deliver_UL_Message operation  10.2.2.4 V2X_MessageDelivery_Subscribe operation  10.2.2.5 V2X_MessageDelivery_Unsubscribe operation  10.2.3 VAE_FileDistribution API  10.2.3.1 General  10.2.3.2 Distribute_File operation  10.2.4 VAE_ApplicationRequirement API  10.2.4.1 General  10.2.4.2 Reserve_NetworkResource operation  10.2.4.3 Notify_NetworkResource operation  10.2.5 VAE_DynamicGroup API  10.2.5.1 General  10.2.5.2 Configure_DynamicGroup operation  10.2.5.3 Notify_DynamicGroup operation  10.2.6 VAE_ServiceContinuity API  10.2.6.1 General  10.2.6.2 Query_ServiceContinuity operation  10.2.7 VAE_HDMapDynamicInfo API  10.2.7.1 General  10.2.7.2 Subscribe_HDMapDynamicInfo operation  10.2.7.3 Notify_HDMapDynamicInfo operation 
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10  VAE layer APIs  p. 105

10.1  General  p. 105

The following VAE capabilities are offered as APIs:
  • VAE server APIs;
The following SEAL service APIs are specified in TS 23.434:
  • Group management server APIs;
  • Location management server APIs;
  • Configuration management server APIs;
  • Identity management server APIs; and
  • Key management server APIs.

10.2  VAE server APIs  p. 105

10.2.1  General  p. 105

Table 10.2.1-1 illustrates the VAE server APIs.
API Name API Operations Known Consumer(s) Communication Type
VAE_MessageDelivery APIDeliver_DL_MessageV2X application specific serverRequest/ Response
Deliver_UL_MessageV2X application specific serverSubscribe/notify
V2X_MessageDelivery_Subscribe
V2X_MessageDelivery_Unsubscribe
VAE_FileDistribution APIDistribute_FileV2X application specific serverRequest/ Response
VAE_ApplicationRequirement APIReserve_NetworkResourceV2X application specific serverSubscribe/ notify
Notify_NetworkResource
VAE_DynamicGroup APIConfigure_DynamicGroupV2X application specific serverRequest/Response
Notify_DynamicGroup
VAE_ServiceContinuity APIQuery_ServiceContinuityVAE serverRequest/Response
VAE_HDMapDynamicInfo APISubscribe_HDMapDynamicInfoV2X application specific serverSubscribe/notify
Notify_HDMapDynamicInfo
VAE_SessionOrientedService APIEstablish_SessionV2X application specific serverSubscribe/notify
Notify_Establish_Session
Update_Session
Notify_Update_Session
Terminate_Session
Notify_Terminate_Session
VAE_PC5ProvisioningRequirement APIConfig_PC5ProvisioningRequirementV2X application specific serverSubscribe/notify
Notify_PC5ProvisioningRequirement
VAE_V2VConfigRequirement APIRequest_V2VConfigRequirementV2X application specific serverRequest/Response
VAE_ServiceAdaptationQoSControlInfo APISubscribe_ServiceandQoSControlInfoV2X application specific serverSubscribe/notify
Notify_ServicandQoSControlInfo
VAE_VRUzoneManagement APISubscribe_VRUzoneManagement operationV2X application specific serverSubscribe/notify
Notify_Enter/Leave
VAE_V2PApplicationRequirement APIRequest_V2PApplicationRequirementV2X application specific server, V2X application specific clientRequest/Response
The SEAL server(s) APIs available via SEAL-S reference point as specified in TS 23.434 are consumed by the V2X application specific server via the VAE server (acting as a VAL server) over the Vs reference point. When V2X application specific server invokes a SEAL server API via the VAE server over the Vs reference point, the VAE server shall interact with the corresponding SEAL server over the SEAL-S reference point for the API invocation request and response.
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10.2.2  VAE_MessageDelivery API  p. 107

10.2.2.1  General  p. 107

API description: This API enables the V2X application specific server to subscribe/unsubscribe to the VAE server and communicate with the VAE server to send and receive V2X messages to and from the V2X UEs (including V2X groups).

10.2.2.2  Deliver_DL_Message operation  p. 107

API operation name:
Deliver_DL_Message
Description:
Delivers the V2X messages to the V2X UEs.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.4.2.1, 9.4.2.3.
Outputs:
None.
See subclause 9.4.3 and subclause 9.4.4 for the details of usage of this API operation.

10.2.2.3  Deliver_UL_Message operation  p. 107

API operation name:
Deliver_UL_Message
Description:
Delivers the uplink V2X messages from the V2X UEs to the V2X application specific server.
Known Consumers:
V2X application specific server.
Inputs:
None
Outputs:
Refer subclause 9.4.2.4.
See subclause 9.4.5 for the details of usage of this API operation.

10.2.2.4  V2X_MessageDelivery_Subscribe operation  p. 107

API operation name:
V2X_MessageDelivery_Subscribe
Description:
Subscribe to the VAE server for sending and receiving V2X messages.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.4.2.6.
Outputs:
Refer subclause 9.4.2.7.
See subclause 9.4.6 for the details of usage of this API operation.

10.2.2.5  V2X_MessageDelivery_Unsubscribe operation  p. 107

API operation name:
V2X_MessageDelivery_Unsubscribe
Description:
Unsubscribe to the VAE server for sending and receiving V2X messages.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.4.2.8.
Outputs:
Refer subclause 9.4.2.9.
See subclause 9.4.6 for the details of usage of this API operation.

10.2.3  VAE_FileDistribution API  p. 108

10.2.3.1  General  p. 108

API description: This API enables the V2X application specific server to communicate with the VAE server to initiate file distribution to the V2X UEs.

10.2.3.2  Distribute_File operation  p. 108

API operation name:
Distribute_File
Description:
Distributes files to the V2X UEs.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.5.2.
Outputs:
Refer subclause 9.5.2.
See subclause 9.5.2 for the details of usage of this API operation.

10.2.4  VAE_ApplicationRequirement API  p. 108

10.2.4.1  General  p. 108

API description: This API enables the V2X application specific server to communicate with the VAE server to provide V2X application requirement to the underlying 3GPP network.

10.2.4.2  Reserve_NetworkResource operation  p. 108

API operation name:
Reserve_NetworkResource
Description:
Provides V2X application requirement to underlying 3GPP network.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.11.2.1
Outputs:
Refer subclause 9.11.2.2
See subclause 9.11.3 for the details of usage of this API operation.

10.2.4.3  Notify_NetworkResource operation  p. 108

API operation name:
Notify_NetworkResource
Description:
Notify the result of network resource adaptation corresponding to the V2X application requirement.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.11.2.3
Outputs:
None
See subclause 9.11.3 for the details of usage of this API operation.

10.2.5  VAE_DynamicGroup API  p. 109

10.2.5.1  General  p. 109

API description: This API enables the V2X application specific server to communicate with the VAE server to configure dynamic group information.

10.2.5.2  Configure_DynamicGroup operation  p. 109

API operation name:
Configure_DynamicGroup
Description:
Configures the dynamic group information at the VAE server.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.12.2.2.
Outputs:
Refer subclause 9.12.2.3.
See subclause 9.12.3 for the details of usage of this API operation.

10.2.5.3  Notify_DynamicGroup operation  p. 109

API operation name:
Notify_DynamicGroup
Description:
Notify the dynamic group information (i.e. group member joins or leaves) at the VAE server.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.12.2.4.
Outputs:
None.
See subclause 9.12.5 for the details of usage of this API operation.

10.2.6  VAE_ServiceContinuity API  p. 109

10.2.6.1  General  p. 109

API description: This API enables the VAE server to query whether the target VAE server can serve the GEO ID and V2X Service ID for service continuity.

10.2.6.2  Query_ServiceContinuity operation  p. 109

API operation name:
Query_ServiceContinuity
Description:
Query the service continuity information.
Known Consumers:
VAE server.
Inputs:
Refer subclause 9.10.2.1.
Outputs:
Refer subclause 9.10.2.2.
See subclause 9.10.3 for the details of usage of this API operation.

10.2.7  VAE_HDMapDynamicInfo API |R17|  p. 110

10.2.7.1  General  p. 110

API description:
This API enables the V2X application specific server to communicate with the VAE server to subscribe and receive notifications for HD map dynamic information.

10.2.7.2  Subscribe_HDMapDynamicInfo operation  p. 110

API operation name:
Subscribe_HDMapDynamicInfo
Description:
Subscribes for the HD map dynamic information at the VAE server.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.16.2.1.
Outputs:
Refer subclause 9.16.2.2.
See subclause 9.16.3 for the details of usage of this API operation.

10.2.7.3  Notify_HDMapDynamicInfo operation  p. 110

API operation name:
Notify_HDMapDynamicInfo
Description:
Notify the HD map dynamic information at the VAE server.
Known Consumers:
V2X application specific server.
Inputs:
Refer subclause 9.16.2.3.
Outputs:
None.
See subclause 9.16.6 for the details of usage of this API operation.

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